Meaning of “prisoner” - Learner’s Dictionary

prisoner

noun us uk /ˈprɪzər/
The prisoner broke free while the guards weren't looking.There have been complaints about the treatment of prisoners.Five prison officers guarded the prisoners.Releasing these prisoners into the community puts the public at risk.There have been complaints about the treatment of prisoners.

B1 [ C ] someone who is being kept in prison as a punishment, or because they have been caught by an enemy

hold/keep/take sb prisoner

to catch someone and guard them so that they cannot escape

→ See also political prisoner

(Definition of “prisoner” from the Cambridge Learner’s Dictionary © Cambridge University Press)